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GPU/Maxwell3D: Implemented an alternative set of blend factors.

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These are used by nouveau and some games like SMO.
This commit is contained in:
Subv 2018-08-11 20:57:16 -05:00
parent 403dfd68fc
commit 969326bd58
2 changed files with 40 additions and 0 deletions
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21
src/video_core/engines/maxwell_3d.h
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@ -352,6 +352,27 @@ public:
OneMinusConstantColor = 0x62,
ConstantAlpha = 0x63,
OneMinusConstantAlpha = 0x64,
// These values are used by Nouveau and some games.
ZeroGL = 0x4000,
OneGL = 0x4001,
SourceColorGL = 0x4300,
OneMinusSourceColorGL = 0x4301,
SourceAlphaGL = 0x4302,
OneMinusSourceAlphaGL = 0x4303,
DestAlphaGL = 0x4304,
OneMinusDestAlphaGL = 0x4305,
DestColorGL = 0x4306,
OneMinusDestColorGL = 0x4307,
SourceAlphaSaturateGL = 0x4308,
ConstantColorGL = 0xc001,
OneMinusConstantColorGL = 0xc002,
ConstantAlphaGL = 0xc003,
OneMinusConstantAlphaGL = 0xc004,
Source1ColorGL = 0xc900,
OneMinusSource1ColorGL = 0xc901,
Source1AlphaGL = 0xc902,
OneMinusSource1AlphaGL = 0xc903,
};
u32 separate_alpha;

19
src/video_core/renderer_opengl/maxwell_to_gl.h
View file

@ -156,42 +156,61 @@ inline GLenum BlendEquation(Maxwell::Blend::Equation equation) {
inline GLenum BlendFunc(Maxwell::Blend::Factor factor) {
switch (factor) {
case Maxwell::Blend::Factor::Zero:
case Maxwell::Blend::Factor::ZeroGL:
return GL_ZERO;
case Maxwell::Blend::Factor::One:
case Maxwell::Blend::Factor::OneGL:
return GL_ONE;
case Maxwell::Blend::Factor::SourceColor:
case Maxwell::Blend::Factor::SourceColorGL:
return GL_SRC_COLOR;
case Maxwell::Blend::Factor::OneMinusSourceColor:
case Maxwell::Blend::Factor::OneMinusSourceColorGL:
return GL_ONE_MINUS_SRC_COLOR;
case Maxwell::Blend::Factor::SourceAlpha:
case Maxwell::Blend::Factor::SourceAlphaGL:
return GL_SRC_ALPHA;
case Maxwell::Blend::Factor::OneMinusSourceAlpha:
case Maxwell::Blend::Factor::OneMinusSourceAlphaGL:
return GL_ONE_MINUS_SRC_ALPHA;
case Maxwell::Blend::Factor::DestAlpha:
case Maxwell::Blend::Factor::DestAlphaGL:
return GL_DST_ALPHA;
case Maxwell::Blend::Factor::OneMinusDestAlpha:
case Maxwell::Blend::Factor::OneMinusDestAlphaGL:
return GL_ONE_MINUS_DST_ALPHA;
case Maxwell::Blend::Factor::DestColor:
case Maxwell::Blend::Factor::DestColorGL:
return GL_DST_COLOR;
case Maxwell::Blend::Factor::OneMinusDestColor:
case Maxwell::Blend::Factor::OneMinusDestColorGL:
return GL_ONE_MINUS_DST_COLOR;
case Maxwell::Blend::Factor::SourceAlphaSaturate:
case Maxwell::Blend::Factor::SourceAlphaSaturateGL:
return GL_SRC_ALPHA_SATURATE;
case Maxwell::Blend::Factor::Source1Color:
case Maxwell::Blend::Factor::Source1ColorGL:
return GL_SRC1_COLOR;
case Maxwell::Blend::Factor::OneMinusSource1Color:
case Maxwell::Blend::Factor::OneMinusSource1ColorGL:
return GL_ONE_MINUS_SRC1_COLOR;
case Maxwell::Blend::Factor::Source1Alpha:
case Maxwell::Blend::Factor::Source1AlphaGL:
return GL_SRC1_ALPHA;
case Maxwell::Blend::Factor::OneMinusSource1Alpha:
case Maxwell::Blend::Factor::OneMinusSource1AlphaGL:
return GL_ONE_MINUS_SRC1_ALPHA;
case Maxwell::Blend::Factor::ConstantColor:
case Maxwell::Blend::Factor::ConstantColorGL:
return GL_CONSTANT_COLOR;
case Maxwell::Blend::Factor::OneMinusConstantColor:
case Maxwell::Blend::Factor::OneMinusConstantColorGL:
return GL_ONE_MINUS_CONSTANT_COLOR;
case Maxwell::Blend::Factor::ConstantAlpha:
case Maxwell::Blend::Factor::ConstantAlphaGL:
return GL_CONSTANT_ALPHA;
case Maxwell::Blend::Factor::OneMinusConstantAlpha:
case Maxwell::Blend::Factor::OneMinusConstantAlphaGL:
return GL_ONE_MINUS_CONSTANT_ALPHA;
}
LOG_CRITICAL(Render_OpenGL, "Unimplemented blend factor={}", static_cast<u32>(factor));